Ventilator.



E. B. POWELL.

VENTILATOR. APPLIGATIOE? FILED MAR.1. 1913.

Patented Feb. 3, 1914.

INVEQNTIOR.

W'TNESSES:

closed, as it may he desired to reduce or completely stop the passage of air through the 'VOTl'iIlill lOi', ech. compartment is provided with a shutter or damper member 10, which is provided with spaced shutter parts 10 that are adapted to lie fist against, the inner side of "the portions of the side 1 of the ventilator disposed between the openings 9 and to be moved by a longitudinal movement of the shutter into position to close or partially close said opening as desired. The upper and lower ec ges of the shntter 10 work in guide grooves or recesses 11 in the adjacent inner edges of the top and boitom tt'rmnc strips -3 and ii. 1 Each shutter 10 has n, handle part 12 projecting out nnrdl therii-lrom through :1 registering slot; 1-? in the inner side 1 oi the ventilator. The prwision oi n F" nte shutter .ihemher for w. ;h um'nfuiirtment enables the openin s of either compartment. to he regin lated as desired.

will he nnol tood that the ventilator he mounted Within the Wineither below or above the Window sash in the casing runways there with and in order to adapt the, ventilator for Wii'nions of dill'erent Widths the ends of the ventilator are preferably provided With rmnovzihle blocks 14 that may be easily dressed down, as deired, to suit the Width nit the Window casing, These blocks seat at their inner edges against the ends oilthe :trii 5 and between slightly exvc to hold the blocks against trans- 1 Yemeni/s, and pin members 15 pro iect lateral 'i'roin each end of the blocks an are in ended to seat in grooves 16 in the ontei fdes of the respective end portions of top and hoitorn. frame members 3 and it i t the ventilntor to assist in holding the h in position. The pins 15 may be in the natm'e of spring fingers, which, in addition to seating in groovesl6; are adepted to yieldingly grip the end portions of the ventilator to hold the blocks 14: thereto.

I vm'sh it understood that my invention from a side of said openings and slniatte ons oi the sides 1 and 2, which 1,0es35e is not; limited to any specine or arrangement of the parts es as such lnnitations are claims.

Having thus described my what I claim as new, and (lGSil Letters Patent, is,-

1. A ventilator of me class dose; ing separatecompartments each with a plurality of air pass? through, and a plurality of delie associated with said passages with th, i of the different a'jOll'iPitliilllQDlS projectli A i opposite directions and in oblique planes relative to the ventilator sides.

52. A ventilator of the class de eri inespaced side portions each i V :1 plurality of openings and h disposed deiieetin ins proieciin from ndzicent to said openin 3. A ventilator of the ci: ing inner and outer side walls pro openings eherethrmiqh, and, ohiie posed deflecting: tins pic-oi I i and in the same direction from wells.

4-. A ventilator of the class de l ing openings thercthrough, ohliq posed deflecting lins projecting inwardly member movable to open close ings.

5. A ventilator of the in g separate eomparti" vided with air passages through each rt; 7 projecting deflecting; fins posed Within each. C0311; able to open or the l through.

in testimony whereoh signed my name to this s nce. presence 01' two subscribing W i RALPH E, l i- C. WV. OWEN 

